motephyr

brew update
brew install elixir
mix local.hex
mix archive.install https://github.com/phoenixframework/archives/raw/master/phx_new.ez

//install node.js版本(建議8.0之後)
//install postgres版本(建議至少9.4之後)

取得dev.secret.exs
設定資料庫 mix ecto.setup

motephyr

  ...
  pipeline :api do
    plug :accepts, ["json"]
    plug Guardian.Plug.Pipeline, module: GuardianSimpleAuth.Guardian, error_handler: GuardianSimpleAuth.ErrorHandler 
    plug Guardian.Plug.VerifySession, claims: %{"typ" => "access"}
    plug Guardian.Plug.VerifyHeader, claims: %{"typ" => "access"}
    plug Guardian.Plug.LoadResource, allow_blank: true
  end
  
  pipeline :auth do

motephyr

defmodule BidhouseWeb.Router do
  use BidhouseWeb, :router
  use Coherence.Router         # Add this
  use ExAdmin.Router
  
  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery

motephyr

  def password_match(conn, _) do
    owner = Coherence.current_user(conn)
    house = conn.assigns[:house]
    password = conn.params["house_bid"]["password"]
    result = Config.user_schema.checkpw(password, Map.get(owner, Config.password_hash))
    
    if result do
      conn
    else

motephyr

#...
  @spec init(Keyword.t) :: [tuple]
  def init(opts) do
    login =
      case opts[:login] do
        true  -> true
        fun when is_function(fun) ->
          fun
        other ->
          case opts[:protected] do

motephyr

defmodule BidhouseWeb.HouseBidController do
  use BidhouseWeb, :controller

  alias Bidhouse.Origins
  alias Bidhouse.Origins.HouseBid
  alias Bidhouse.Coherence.User

  alias BidhouseWeb.HouseEmail
  alias BidhouseWeb.Coherence.Mailer

motephyr

result = from(u in User, where: u.id == 1) |> Repo.one |> Repo.preload(:user_info)
result = from(u in User, where: u.id == 1, preload: [:user_info]) |> Repo.one

motephyr

import Ecto.Query
alias YourApp.Repo
alias YourApp.User

#(這也許是一個改名字的流程)
#你要query user.id = 1的人
#抓到這個人之後
#改他的名字
#更新

motephyr

  def changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:house_id])
    |> cast_attachments(params, [:image], allow_paths: true)
    |> validate_required([:image, :house_id])
  end

motephyr

目標：盡可能讓使用者使用上覺得迅速。

改進點：資料下載量少，下載速度快、反應速度快。

Single Page Application:

優點
1.更好的用户体验，让用户在web app感受native app的速度和流畅，
2.於第一次載入時將html,css,js等預先載入，
其後只需透過ajax(非同步載入)方式做資料的傳輸，資料傳輸量較少，只需取得資料即可展現畫面